package com.lottery.pay.Utils;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

import java.util.*;

public class XMLUtils {
	/**
	 * Map转换成Xml
	 * @param map
	 * @return
	 */
	public static String map2Xmlstring(Map<String,String> map){
		StringBuffer sb = new StringBuffer("");
		sb.append("<xml>");
		
		Set<String> set = map.keySet();
        for(Iterator<String> it = set.iterator(); it.hasNext();){
        	String key = it.next();
        	Object value = map.get(key);
        	sb.append("<").append(key).append(">");
        	sb.append(value);
        	sb.append("</").append(key).append(">");
        }
		sb.append("</xml>");
		return sb.toString();
	}
	
	/**
	 * Xml string转换成Map
	 * @param xmlStr
	 * @return
	 */
	public static Map<String,Object> xmlString2Map(String xmlStr){
		Map<String,Object> map = new HashMap<String,Object>();
		Document doc;
		try {
			doc = DocumentHelper.parseText(xmlStr);
			Element el = doc.getRootElement();
			map = recGetXmlElementValue(el,map);
		} catch (DocumentException e) {
			e.printStackTrace();
		}
		return map;
	}
	
	/**
	 * 循环解析xml
	 * @param ele
	 * @param map
	 * @return
	 */
	@SuppressWarnings({ "unchecked" })
	private static Map<String, Object> recGetXmlElementValue(Element ele, Map<String, Object> map){
		List<Element> eleList = ele.elements();
		if (eleList.size() == 0) {
			map.put(ele.getName(), ele.getTextTrim());
			return map;
		} else {
			for (Iterator<Element> iter = eleList.iterator(); iter.hasNext();) {
				Element innerEle = iter.next();
				recGetXmlElementValue(innerEle, map);
			}
			return map;
		}
	}
}
